LENDING ACTIVITIES (Details - Credit quality performance indicators for commercial mortgages) $ in Millions	6 Months Ended	12 Months Ended
	Jun. 30, 2020 USD ($) loan	Dec. 31, 2019 USD ($) loan	Mar. 31, 2020 USD ($)	Jun. 30, 2019 USD ($)	Mar. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Financing Receivable, Credit Quality Indicator [Line Items]
Mortgage and other loans receivable, net	$ 46,522	$ 46,984
Allowance for credit losses	$ 794	$ 438	$ 787	$ 407	$ 422	$ 397
Debt Coverage Ratio	2.1	2.0
Average Loan to Value Ratio	56.00%	56.00%
Apartments
Financing Receivable, Credit Quality Indicator [Line Items]
In good standing	$ 14,262	$ 13,698
Restructured	1	0
90 days or less delinquent	1	1
Greater than 90 days delinquent or in process of foreclosure	0	0
Mortgage and other loans receivable, net	14,264	13,699
Allowance for credit losses, Specific		0
Allowance for credit losses, General		81
Allowance for credit losses	134	81
Offices
Financing Receivable, Credit Quality Indicator [Line Items]
In good standing	10,484	10,553
Restructured	85	89
90 days or less delinquent	152	0
Greater than 90 days delinquent or in process of foreclosure	75	0
Mortgage and other loans receivable, net	10,796	10,642
Allowance for credit losses, Specific		2
Allowance for credit losses, General		153
Allowance for credit losses	292	155
Retail
Financing Receivable, Credit Quality Indicator [Line Items]
In good standing	5,106	5,332
Restructured	50	0
90 days or less delinquent	57	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Mortgage and other loans receivable, net	5,213	5,332
Allowance for credit losses, Specific		1
Allowance for credit losses, General		44
Allowance for credit losses	154	45
Industrial
Financing Receivable, Credit Quality Indicator [Line Items]
In good standing	3,578	3,663
Restructured	0	0
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Mortgage and other loans receivable, net	3,578	3,663
Allowance for credit losses, Specific		0
Allowance for credit losses, General		30
Allowance for credit losses	56	30
Hotel
Financing Receivable, Credit Quality Indicator [Line Items]
In good standing	2,145	2,211
Restructured	86	101
90 days or less delinquent	18	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Mortgage and other loans receivable, net	2,249	2,312
Allowance for credit losses, Specific		6
Allowance for credit losses, General		14
Allowance for credit losses	25	20
Others
Financing Receivable, Credit Quality Indicator [Line Items]
In good standing	435	522
Restructured	0	0
90 days or less delinquent	0	0
Greater than 90 days delinquent or in process of foreclosure	0	0
Mortgage and other loans receivable, net	435	522
Allowance for credit losses, Specific		0
Allowance for credit losses, General		5
Allowance for credit losses	$ 6	$ 5
Commercial mortgages
Financing Receivable, Credit Quality Indicator [Line Items]
Number of loans in good standing | loan	699	736
Number of loans restructured | loan	5	3
Number of loans 90 days or less delinquent | loan	7	1
Number of loans greater than 90 days delinquent or in process of foreclosure | loan	3	0
Number of Loans | loan	714	740
In good standing	$ 36,010	$ 35,979
Restructured	222	190
90 days or less delinquent	228	1
Greater than 90 days delinquent or in process of foreclosure	75	0
Mortgage and other loans receivable, net	36,535	36,170
Allowance for credit losses, Specific		9
Allowance for credit losses, General		327
Allowance for credit losses	$ 667	$ 336
Percentage of loans that are current as to payments of principal and interest	98.00%	99.00%
Percentage restructured	1.00%	1.00%
Percentage 90 days or less delinquent	1.00%	0.00%
Percentage greater than 90 days delinquent or in foreclosure	0.00%	0.00%
Percentage Total	100.00%	100.00%
Percentage of loans with valuation allowance, Specific		0.00%
Percentage of loans with valuation allowance, Genaral		1.00%
Percentage of loans with allowance for losses	2.00%	1.00%